feat(rollapp): add tags to rollapp metadata

proto/dymensionxyz/dymension/rollapp/metadata.proto

@@ -24,6 +24,8 @@ message RollappMetadata {
   string explorer_url = 9;
   // fee_denom is the base denom for fees
   DenomMetadata fee_denom = 10;
+  // Tags is a list of tags that can be used to filter rollapps.
+  repeated string tags = 11;
 }
 
 message DenomMetadata {

proto/dymensionxyz/dymension/rollapp/query.proto

@@ -68,6 +68,11 @@ service Query {
 
   // Validates provided genesis bridge data against the hub.
   rpc ValidateGenesisBridge(QueryValidateGenesisBridgeRequest) returns (QueryValidateGenesisBridgeResponse);
+
+  // Queries the list of possible rollapp tags
+  rpc Tags(QueryTagsRequest) returns (QueryTagsResponse) {
+    option (google.api.http).get = "/dymensionxyz/dymension/rollapp/tags";
+  }
 }
 
 // QueryParamsRequest is request type for the Query/Params RPC method.
@@ -161,3 +166,9 @@ message QueryValidateGenesisBridgeResponse {
   bool valid = 1;
   string err = 2;
 }
+
+message QueryTagsRequest {}
+
+message QueryTagsResponse {
+  repeated string tags = 1;
+}

x/rollapp/client/cli/query.go

@@ -27,6 +27,7 @@ func GetQueryCmd(queryRoute string) *cobra.Command {
 	cmd.AddCommand(CmdShowLatestHeight())
 	cmd.AddCommand(CmdShowLatestStateIndex())
 	cmd.AddCommand(CmdQueryRegisteredDenoms())
+	cmd.AddCommand(CmdQueryTags())
 
 	return cmd
 }

x/rollapp/client/cli/query_tags.go

@@ -0,0 +1,35 @@
+package cli
+
+import (
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/spf13/cobra"
+
+	"github.com/dymensionxyz/dymension/v3/x/rollapp/types"
+)
+
+func CmdQueryTags() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "tags",
+		Short: "shows the tags for rollapps",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+			queryClient := types.NewQueryClient(clientCtx)
+
+			res, err := queryClient.Tags(cmd.Context(), &types.QueryTagsRequest{})
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(res)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}

x/rollapp/keeper/grpc_query_rollapp.go

@@ -95,3 +95,15 @@
 
 	return resp, nil
 }
+
+// Tags returns all the tags available for rollapps.
+// The order is non-deterministic.
+func (k Keeper) Tags(context.Context, *types.QueryTagsRequest) (*types.QueryTagsResponse, error) {
+	tags := make([]string, 0, len(types.RollappTags))
+	for tag := range types.RollappTags {
+		tags = append(tags, tag)
+	}
+	return &types.QueryTagsResponse{
+		Tags: tags,
+	}, nil
+}

x/rollapp/keeper/msg_server_create_rollapp_test.go

@@ -236,6 +236,7 @@ var mockRollappMetadata = types.RollappMetadata{
 	LogoUrl:     "https://dymension.xyz/logo.png",
 	Telegram:    "https://t.me/rolly",
 	X:           "https://x.dymension.xyz",
+	Tags:        []string{"AI", "DeFI", "NFT"},
 }
 
 var mockGenesisInfo = &types.GenesisInfo{

x/rollapp/types/errors.go

@@ -46,6 +46,9 @@ var (
 	ErrInvalidBlockDescriptorTimestamp   = errorsmod.Wrap(gerrc.ErrInvalidArgument, "invalid block descriptor timestamp")
 	ErrInvalidNativeDenom                = errorsmod.Wrap(gerrc.ErrInvalidArgument, "invalid native denom")
 	ErrInvalidFeeDenom                   = errorsmod.Wrap(gerrc.ErrInvalidArgument, "invalid fee denom")
+	ErrInvalidTag                        = errorsmod.Wrap(gerrc.ErrInvalidArgument, "invalid tag")
+	ErrTooManyTags                       = errorsmod.Wrap(gerrc.ErrInvalidArgument, "too many tags")
+	ErrDuplicateTag                      = errorsmod.Wrap(gerrc.ErrInvalidArgument, "duplicate tag")
 	ErrInvalidInitialSupply              = errorsmod.Wrap(gerrc.ErrInvalidArgument, "invalid initial supply")
 	ErrInvalidBech32Prefix               = errorsmod.Wrap(gerrc.ErrInvalidArgument, "invalid bech32 prefix")
 	ErrRollappNotFound                   = errorsmod.Wrap(gerrc.ErrNotFound, "rollapp")

x/rollapp/types/message_update_rollapp_test.go

@@ -1,7 +1,7 @@
 package types
 
 import (
-	fmt "fmt"
+	"fmt"
 	"strings"
 	"testing"
 
@@ -92,6 +92,66 @@ func TestMsgUpdateRollappInformation_ValidateBasic(t *testing.T) {
 			},
 			err: ErrInvalidURL,
 		},
+		{
+			name: "invalid metadata: too many tags",
+			msg: MsgUpdateRollappInformation{
+				Owner:            sample.AccAddress(),
+				InitialSequencer: sample.AccAddress(),
+				RollappId:        "dym_100-1",
+				GenesisInfo: &GenesisInfo{
+					Bech32Prefix:    bech32Prefix,
+					GenesisChecksum: "checksum",
+					NativeDenom:     DenomMetadata{Display: "DEN", Base: "aden", Exponent: 18},
+					InitialSupply:   sdk.NewInt(1000),
+				},
+				Metadata: &RollappMetadata{
+					Website:     "https://dymension.xyz",
+					Description: "Sample description",
+					Tags:        []string{"tag1", "tag2", "tag3", "tag4"},
+				},
+			},
+			err: ErrTooManyTags,
+		},
+		{
+			name: "invalid metadata: invalid tag",
+			msg: MsgUpdateRollappInformation{
+				Owner:            sample.AccAddress(),
+				InitialSequencer: sample.AccAddress(),
+				RollappId:        "dym_100-1",
+				GenesisInfo: &GenesisInfo{
+					Bech32Prefix:    bech32Prefix,
+					GenesisChecksum: "checksum",
+					NativeDenom:     DenomMetadata{Display: "DEN", Base: "aden", Exponent: 18},
+					InitialSupply:   sdk.NewInt(1000),
+				},
+				Metadata: &RollappMetadata{
+					Website:     "https://dymension.xyz",
+					Description: "Sample description",
+					Tags:        []string{"invalid"},
+				},
+			},
+			err: ErrInvalidTag,
+		},
+		{
+			name: "invalid metadata: duplicate tag",
+			msg: MsgUpdateRollappInformation{
+				Owner:            sample.AccAddress(),
+				InitialSequencer: sample.AccAddress(),
+				RollappId:        "dym_100-1",
+				GenesisInfo: &GenesisInfo{
+					Bech32Prefix:    bech32Prefix,
+					GenesisChecksum: "checksum",
+					NativeDenom:     DenomMetadata{Display: "DEN", Base: "aden", Exponent: 18},
+					InitialSupply:   sdk.NewInt(1000),
+				},
+				Metadata: &RollappMetadata{
+					Website:     "https://dymension.xyz",
+					Description: "Sample description",
+					Tags:        []string{"AI", "DeFI", "AI"},
+				},
+			},
+			err: ErrDuplicateTag,
+		},
 		{
 			name: "invalid genesis checksum: too long",
 			msg: MsgUpdateRollappInformation{